到官网更新了最新的w64解码器，后来又加入了w64codecs的源，似乎没有更新过，还是有提示，当然用smplayer播放是正常的。
最后把解码器卸载了，并删除了以下所有的目录
/usr/lib/win32
/usr/lib/codecs
/usr/local/lib/win32
/usr/local/lib/codecs
mplayer依然能播放rm文件，我又删了totem相关的程序和插件，重启系统还是可以播放
我清除了mplayer的配置依然还是可以播放，真的很奇怪
下面是mplayer的播放输出
Failed to open LIRC support. You will not be able to use your remote control.
Playing /home//tv/01.rmvb.
REAL file format detected.
Stream description: Video Stream
Stream mimetype: video/x-pn-realvideo
[real] Video stream found, -vid 0
Stream description: Audio Stream
Stream mimetype: audio/x-pn-realaudio
[real] Audio stream found, -aid 1
Stream mimetype: application/x-pn-realevent
Not audio/video stream or unsupported!
Stream mimetype: logical-fileinfo
VIDEO: [RV40] 640x384 24bpp 24.000 fps 0.0 kbps ( 0.0 kbyte/s)
Clip info:
name: �����
author: 3e�۹����������
copyright: 3e�۹
==========================================================================
Opening video decoder: [realvid] RealVideo decoder
ERROR: Could not open required DirectShow codec drvc.dll.
Read the RealVideo section of the DOCS!
VDecoder init failed
Opening video decoder: [realvid] RealVideo decoder
ERROR: Could not open required DirectShow codec drv43260.dll.
Read the RealVideo section of the DOCS!
VDecoder init failed
Opening video decoder: [realvid] RealVideo decoder
Error: /usr/lib/codecs/drvc.bundle/Contents/MacOS/drvc: cannot open shared object file: No such file or directory
ERROR: Could not open required DirectShow codec drvc.bundle/Contents/MacOS/drvc.
Read the RealVideo section of the DOCS!
VDecoder init failed
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffrv40] vfm: ffmpeg (FFmpeg RV40)
==========================================================================
==========================================================================
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
FAAD: compressed input bitrate missing, assuming 128kbit/s!
AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio))
==========================================================================
AO: [alsa] 44100Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 640 x 384 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 640x384 => 640x384 Planar YV12
A: 2.8 V: 2.8 A-V: -0.001 ct: 0.007 73/ 73 10% 2% 2.0% 0 0
Exiting... (Quit)
